Plumbing permits in City of Kent: fees, timeline & requirements (2026)
Everything you need to know about pulling a plumbing permit in City of Kent, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Kent uses MyKent permits portal..
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Kent's source.
When does a plumbing need a permit in City of Kent?
A plumbing permit is required for replacing plumbing/fixtures in the same location and for electric water-heater replacements; leak-stopping, clearing stoppages, and like-for-like water-closet reset are exempt. Typically processed within 2–3 business days.
In the source's own words
“For removing or replacing plumbing or fixtures in the same location without removal of any surfaces such as gypsum, framing, etc. Electric hot water tank replacements.”Source ↗verified 2026-05-29
Required submittals
- fixture count + DFU calc for repipes
- water heater specs
- sewer line plan if site work involved
Inspection sequence
- rough-in / pressure test
- final
Contractor specialties needed
plumbing
Who can do this work in City of Kent?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Kent and King County. Kolmo prepares the drawings and submittals, files the plumbing permit with Kent uses MyKent permits portal., carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Kent plumbing quote.
Notes & caveats
Water heater: T&P relief, expansion tank required if pressure >80psi or check valve installed. Sewer line: cleanouts at every 100ft + change of direction. Backwater valve required in flood zones.
How to apply yourself
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Kent plumbing — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (3).
- 3. Submit through the city portal: Kent uses MyKent permits portal. ↗
- 4. Track review (typical: 2–3 days). Respond to reviewer comments promptly.
- 5. Pay issuance fees (Plumbing permit fees are set by fixture count in the city's fee schedule. Apply via https://mybuildingpermit.com.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull plumbing permits in City of Kent every month. We prepare the drawings and submittals, file with Kent uses MyKent permits portal., handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Plumbing permits in City of Kent — FAQ
When does a plumbing need a permit in City of Kent?
A plumbing permit is required for replacing plumbing/fixtures in the same location and for electric water-heater replacements; leak-stopping, clearing stoppages, and like-for-like water-closet reset are exempt. Typically processed within 2–3 business days.
How much does a plumbing permit cost in City of Kent?
Current fee per the City of Kent fee schedule: Plumbing permit fees are set by fixture count in the city's fee schedule. Apply via https://mybuildingpermit.com.. Plus ancillary plan-review/tech-surcharge fees per city schedule.
How long does City of Kent take to review a plumbing permit?
Typical review window: 2–3 days.